Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SCHNEIDER Miniature Circuit Breaker: 20 A Amps, 60V DC, 14kA at 120/240V AC - C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SCHNEIDERC-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

SCHNEIDER Miniature Circuit Breaker: 20 A Amps, 60V DC, 14kA at 120/240V AC

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker (MPN M9F42120) is a C-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 20 A. It features a Max. AIR Rating of 14kA at 120/240V AC, AC Voltage Rating of 240/415V…

SKU 3G-OTH-22764

Brand
SCHNEIDER
Item
Miniature Circuit Breaker: 20 A Amps, 60V DC, 14kA at 120/240V AC
Category
C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9F42120
Type
14kA at 120/240V AC, C60BP
DC
60V
Max. AIR Rating
14kA at 120/240V AC
AC Voltage Rating
240/415V AC
DC Voltage Rating
60V DC
Terminal Connection
Screw Clamp

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker (MPN M9F42120) is a C-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 20 A. It features a Max. AIR Rating of 14kA at 120/240V AC, AC Voltage Rating of 240/415V AC, and DC Voltage Rating of 60V DC, with a Screw Clamp terminal connection.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker M9F42120 used for?

This C-Curve, 1-Pole UL489 DIN Rail-Mount breaker protects branch circuits in industrial and commercial panels. It handles 20 A loads at 240/415V AC or 60V DC, with a 14kA interrupting rating at 120/240V AC. Typical applications include motor control, lighting, and distribution boards.

What are the specifications of the SCHNEIDER M9F42120 circuit breaker?

The SCHNEIDER M9F42120 is a 20 A, C-Curve, 1-Pole UL489 miniature circuit breaker. It has a Max. AIR Rating of 14kA at 120/240V AC, AC Voltage Rating of 240/415V AC, DC Voltage Rating of 60V DC, and a Screw Clamp terminal connection. It mounts on a standard DIN rail.

Where to buy the SCHNEIDER M9F42120 circuit breaker worldwide?

3G Electric supplies the SCHNEIDER M9F42120 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this C-Curve, 1-Pole UL489 breaker.

How to install the SCHNEIDER M9F42120 miniature circuit breaker?

Snap the breaker onto a 35 mm DIN rail until it locks. Connect line and load wires to the Screw Clamp terminals, torquing to the manufacturer's specification. Ensure the circuit is de-energized before installation. For DC applications, verify polarity per SCHNEIDER guidelines.

Used in

Common applications for SCHNEIDER
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER c-curve, 1-pole ul489 din rail-mount miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 45 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42145)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 45 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42145)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 63 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42163)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 63 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42163)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 50 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42150)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 50 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42150)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 40 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42140)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 40 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42140)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 35 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42135)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 35 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42135)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 25 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42125)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 25 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42125)

More from SCHNEIDER

View all SCHNEIDER parts
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 2 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42102)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 2 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42102)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 10 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42110)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 10 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42110)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 30 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42130)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 30 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42130)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 6 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42106)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 6 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42106)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42170)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42170)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 3 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42103)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 3 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42103)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 15 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42115)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 15 A Amps, 60V DC, 14kA at 120/240V AC, C60BP (MPN M9F42115)
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 5 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42105)
SCHNEIDER
SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker: 5 A Amps, 60V DC, 14kA at 120/240V AC, Screw Clamp (MPN M9F42105)